Yamaha RM Series Manual page 8

[3 Chargers Pairing]
1 Insert the charger power plug into an electrical outlet.
The charger starts up.
2 Long-press the PAIR button (on the bottom panel of the charger) for at least two seconds.
The access point and charger are paired. When pairing is finished, the charger name appears in the window.
NOTE: Pairing means that the products register each other with the information required for a DECT connection. The access
point and charger are paired, and a DECT connection is established at the same time.
3 Click the [CONTINUE] button.
PAIR button
RM Series Wireless Microphone System Reference Manual
8